:[[value, value, ..., value][value, value, ..., value][...]] (89) :[value, value, ..., value; value, value, ... , value; ...]
Square Braces are used in hard-coding matrices. Double braces indicate the beginning or end of a matrix,
][ separates lines, and commas separate elements. As vectors are created and stored as matrices, they are also created the same way.
for left one
- 2ND + * ([)
for right one
- 2ND + - (])